Top brand sunscreens risk causing CANCER if left on the shelf too long | Daily Mail Online
![[IMG]](https://rethinkbreastcancer.com/wp-content/uploads/2018/06/sunscreen-101-copy-1.jpg "[IMG]")
A number of top brand sunscreen products risk causing cancer if they're left on a shelf for too long, a new study finds, revealing they release toxic chemicals over time.
"Scientists from France and the US studied a number of randomly selected brand name sunscreen products containing the organic 'sun filter' chemical 'octocrylene'.
Products from Garnier, Bioderma, LaRoche-Posay, L'Oreal, Coppertone, Banana Leaf and Neutrogena were purchased from shops in the US and France - including some aimed at babies and children.
Octocrylene is a common ingredient of sunscreens as it absorbs UVB radiation, which is responsible for sunburn and skin cancer, but is controversial as it is a potential allergen and isn't biodegradable. It is already banned in a number of places.
The team from Sorbonne University found that octocrylene degrades into the carcinogenic chemical benzophenone when left on the shelf for more than a year.
Study authors say the manufacture of products containing the chemical octocrylene should be banned until the industry can prove 'beyond doubt' that it is safe.
Dr Emma Meredith, Director General of the Cosmetic, Toiletry and Perfumery Association (CTPA) said: 'Octocrylene has been used in sunscreens for many years and no health risk from tiny quantities of benzophenone impurities has been shown.'
![[IMG]](https://i.dailymail.co.uk/1s/2021/03/09/12/40247640-0-image-a-5_1615294141731.jpg "[IMG]")
A number of top brand sunscreen products risk causing cancer if they're left on a shelf for too long, study finds, revealing they release toxic chemicals over time
PRODUCTS TESTED FOR THE STUDY
The CTPA says the report may appear alarming but doesn't need to cause concern as the results and health concerns are not directly transferable to humans.
Dr Meredith said: 'This study does not change the fact that sunscreens and their ingredients are safe, effective and an essential part of a sunsafe regime for protecting our health, as advised by dermatologists globally.'
'We can be reassured that the safety of every single sunscreen must be approved by a highly qualified specialist before it can be sold in the UK.'
The issue isn't so much in the product itself, rather how long it is being used, or left unused between summer holidays.
Families will purchase a sunscreen, use it for two weeks over the summer and then put it in a cupboard to use again the following year - but, study authors say this could be very dangerous.
Researchers, including a team from the Haereticus Environmental Laboratory in the US, didn't claim octocrylene in itself was cancer causing, rather the chemicals produced when it breaks down over time.
Among them is benzophenone, which is a 'mutagen, carcinogen and endocrine disruptor' which can lead to cancer.
An endocrine disruptor is a chemical that can interfere with the messengers in the body that regulate the circulatory system and can result in cancerous tumours.
The one product the team tested which did not contain octocrylene was Nivea Sun SPF 50+, which they used as a control subject.
They found that after ageing all of the products this is the only one that didn't contain any benzophenone, allowing them to confirm it was octocrylene causing the build up of the carcinogen.
Dermatologist, Dr Sharyn Laughlin, involved in this study, said she was gravely concerned regarding the far-reaching consequences of this new research.
'Benzophenone is still the worst offender in causing contact dermatitis, and may induce uticaria and anaphylaxis. Absorption of both chemicals through the skin poses a potential threat to toxicities and diseases of other organs.'
Benzophenone is already banned in food products and food packaging in the US and from personal care products including sunscreens and moisturisers.
![[IMG]](https://i.dailymail.co.uk/1s/2021/03/09/12/40247258-0-image-a-4_1615293736333.jpg "[IMG]")
Scientists from France and the US studied a number of randomly selected brand new sunscreen products containing the organic 'sun filter' chemical 'octocrylene'
OCTOCRYLENE: AN ORGANIC 'SUN FILTER'
The chemical octocrylene is commonly used in sunscreen as it acts as an 'organic sun filter', protecting the skin from UVB radiation.
However, it is a controversial product that has already been banned in the US Virgin Islands and Marshall Islands.
This is in part due to its impact on the marine environment and that it is non-biodegradable.
In coral it accumulates and can result in bleaching and death.
This is what led to it being banned by a number of islands, and Hawaii is currently considering a ban.
L'Oreal, which uses it in products, disputes any issues with coral, saying concentrations are too low.
Finding out that concentrations of the harmful chemical increase in sunscreen containing octocrylene the older it gets is 'very worrying,' the team said.
To test their theory that benzophenone is produced over time from octocrylene, the team selected a random number of creams directly from stores after looking for the best sellers.
They then artificially aged them over a six-week period to replicate conditions found in a normal family home over the course of an entire year.
Benzophenone developed in increasingly high concentrations the older the product got - so buying sunscreen to use on holiday and then leaving it for a year before using it again could be harmful.
Both octocrylene and benzophenone are readily absorbed into the skin.
Dermal absorption of benzophenone into the body may exceed 70%, based on topical studies conducted by Howard Maibach and colleagues in the 1990s.
The French team say this is a strong argument for regulatory prohibition of this chemical in perfumes and other topical products.
The CTPA says manufacturers carry out their own studies to show that sunscreens change over time to ensure they are safe and effective during their projected lifetime.
Sunscreens don't have expiry dates in the UK but does have a limited shelf life of less than 30 months and is labelled with a best before date, the CTPA explained in a statement on the study.
'The vast majority of sunscreens safely last longer than 30 months, and these may be labelled with a ‘period after opening’ (PAO) open jar symbol,' a spokesperson said.
'The PAO is not an expiry date, but shows that once opened the product will not deteriorate to cause harm to the user.'
In 2019, almost 3,000 commercial products sold in the United States contained octocrylene, including shampoos, hair conditioners, and hair sprays.
The latest research revealed that L'Oreal Age Perfect FPS 20 had the highest concentration of benzophenone after ageing - up 200 per cent on the rate found before the ageing process began - or 214mg per kg.
![[IMG]](https://i.dailymail.co.uk/1s/2021/03/09/12/40247262-0-image-a-3_1615293729263.jpg "[IMG]")
Products from Garnier, Bioderma, LaRoche-Posay, L'Oreal, Coppertone, Banana Leaf and Neutrogena were purchased from shops in the US and France - including some products aimed at babies and children
In the US the highest increase was found in Coppertone Sport Clear SPF 30 which went up 134 per cent to 408mg per kg - the highest of all products tested.
In mammalian-model studies, benzophenone exposure quickly gave rise to liver cancers and lymphomas, the team behind the new research explained.
Benzophenone can act as a photo-mutagen; in the presence of light, it increases the rate of DNA lesions, thus increasing the risk of skin cancers.
Benzophenone is also an endocrine disruptor, affecting thyroid function as well as inducing anti-androgenic activity, delaying testicular development and causing anatomic difficulties with female reproductive organs."
Source: Top brand sunscreens risk causing CANCER if left on the shelf too long | Daily Mail Online
A number of top brand sunscreen products risk causing cancer if they're left on a shelf for too long, a new study finds, revealing they release toxic chemicals over time.
"Scientists from France and the US studied a number of randomly selected brand name sunscreen products containing the organic 'sun filter' chemical 'octocrylene'.
Products from Garnier, Bioderma, LaRoche-Posay, L'Oreal, Coppertone, Banana Leaf and Neutrogena were purchased from shops in the US and France - including some aimed at babies and children.
Octocrylene is a common ingredient of sunscreens as it absorbs UVB radiation, which is responsible for sunburn and skin cancer, but is controversial as it is a potential allergen and isn't biodegradable. It is already banned in a number of places.
The team from Sorbonne University found that octocrylene degrades into the carcinogenic chemical benzophenone when left on the shelf for more than a year.
Study authors say the manufacture of products containing the chemical octocrylene should be banned until the industry can prove 'beyond doubt' that it is safe.
Dr Emma Meredith, Director General of the Cosmetic, Toiletry and Perfumery Association (CTPA) said: 'Octocrylene has been used in sunscreens for many years and no health risk from tiny quantities of benzophenone impurities has been shown.'
A number of top brand sunscreen products risk causing cancer if they're left on a shelf for too long, study finds, revealing they release toxic chemicals over time
PRODUCTS TESTED FOR THE STUDY
- Garnier Ambre Solaire FPS 50
- Bioderma Photoderm AR SPF 50+
- Uriage Age Protect SPF 30
- LaRoche-Posay SPF 50
- LaRoche-Posay SPF 50 Spray
- Cosmia Sun BB Creme SPF 50
- Cosmia Sun SPF 50
- L'Oreal Age Perfect FPS 20
- Coppertone Kids Sport SPF 50 Spray
- Coppertone Defend & Care Face SPF 50 Lotion
- Coppertone Water Babies SPF 50 Spray
- Coppertone Sport Clear SPF 30 (#1 and #3)
- Banana Boat Clear UltraMist SPF 30 Spray
- Banana Boat SPF 50 Lotion
- Neutrogena Beach Defense SPF 100 Spray
- Neutrogena Beach Defense SPF 70 Lotion
The CTPA says the report may appear alarming but doesn't need to cause concern as the results and health concerns are not directly transferable to humans.
Dr Meredith said: 'This study does not change the fact that sunscreens and their ingredients are safe, effective and an essential part of a sunsafe regime for protecting our health, as advised by dermatologists globally.'
'We can be reassured that the safety of every single sunscreen must be approved by a highly qualified specialist before it can be sold in the UK.'
The issue isn't so much in the product itself, rather how long it is being used, or left unused between summer holidays.
Families will purchase a sunscreen, use it for two weeks over the summer and then put it in a cupboard to use again the following year - but, study authors say this could be very dangerous.
Researchers, including a team from the Haereticus Environmental Laboratory in the US, didn't claim octocrylene in itself was cancer causing, rather the chemicals produced when it breaks down over time.
Among them is benzophenone, which is a 'mutagen, carcinogen and endocrine disruptor' which can lead to cancer.
An endocrine disruptor is a chemical that can interfere with the messengers in the body that regulate the circulatory system and can result in cancerous tumours.
The one product the team tested which did not contain octocrylene was Nivea Sun SPF 50+, which they used as a control subject.
They found that after ageing all of the products this is the only one that didn't contain any benzophenone, allowing them to confirm it was octocrylene causing the build up of the carcinogen.
Dermatologist, Dr Sharyn Laughlin, involved in this study, said she was gravely concerned regarding the far-reaching consequences of this new research.
'Benzophenone is still the worst offender in causing contact dermatitis, and may induce uticaria and anaphylaxis. Absorption of both chemicals through the skin poses a potential threat to toxicities and diseases of other organs.'
Benzophenone is already banned in food products and food packaging in the US and from personal care products including sunscreens and moisturisers.
Scientists from France and the US studied a number of randomly selected brand new sunscreen products containing the organic 'sun filter' chemical 'octocrylene'
OCTOCRYLENE: AN ORGANIC 'SUN FILTER'
The chemical octocrylene is commonly used in sunscreen as it acts as an 'organic sun filter', protecting the skin from UVB radiation.
However, it is a controversial product that has already been banned in the US Virgin Islands and Marshall Islands.
This is in part due to its impact on the marine environment and that it is non-biodegradable.
In coral it accumulates and can result in bleaching and death.
This is what led to it being banned by a number of islands, and Hawaii is currently considering a ban.
L'Oreal, which uses it in products, disputes any issues with coral, saying concentrations are too low.
Finding out that concentrations of the harmful chemical increase in sunscreen containing octocrylene the older it gets is 'very worrying,' the team said.
To test their theory that benzophenone is produced over time from octocrylene, the team selected a random number of creams directly from stores after looking for the best sellers.
They then artificially aged them over a six-week period to replicate conditions found in a normal family home over the course of an entire year.
Benzophenone developed in increasingly high concentrations the older the product got - so buying sunscreen to use on holiday and then leaving it for a year before using it again could be harmful.
Both octocrylene and benzophenone are readily absorbed into the skin.
Dermal absorption of benzophenone into the body may exceed 70%, based on topical studies conducted by Howard Maibach and colleagues in the 1990s.
The French team say this is a strong argument for regulatory prohibition of this chemical in perfumes and other topical products.
The CTPA says manufacturers carry out their own studies to show that sunscreens change over time to ensure they are safe and effective during their projected lifetime.
Sunscreens don't have expiry dates in the UK but does have a limited shelf life of less than 30 months and is labelled with a best before date, the CTPA explained in a statement on the study.
'The vast majority of sunscreens safely last longer than 30 months, and these may be labelled with a ‘period after opening’ (PAO) open jar symbol,' a spokesperson said.
'The PAO is not an expiry date, but shows that once opened the product will not deteriorate to cause harm to the user.'
In 2019, almost 3,000 commercial products sold in the United States contained octocrylene, including shampoos, hair conditioners, and hair sprays.
The latest research revealed that L'Oreal Age Perfect FPS 20 had the highest concentration of benzophenone after ageing - up 200 per cent on the rate found before the ageing process began - or 214mg per kg.
Products from Garnier, Bioderma, LaRoche-Posay, L'Oreal, Coppertone, Banana Leaf and Neutrogena were purchased from shops in the US and France - including some products aimed at babies and children
In the US the highest increase was found in Coppertone Sport Clear SPF 30 which went up 134 per cent to 408mg per kg - the highest of all products tested.
In mammalian-model studies, benzophenone exposure quickly gave rise to liver cancers and lymphomas, the team behind the new research explained.
Benzophenone can act as a photo-mutagen; in the presence of light, it increases the rate of DNA lesions, thus increasing the risk of skin cancers.
Benzophenone is also an endocrine disruptor, affecting thyroid function as well as inducing anti-androgenic activity, delaying testicular development and causing anatomic difficulties with female reproductive organs."
Source: Top brand sunscreens risk causing CANCER if left on the shelf too long | Daily Mail Online
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